The Difference Between LSAW Steel Pipe And ERW Steel Pipe
Straight seam welded steel pipe, according to the welding process is divided into high frequency resistance welding and submerged arc welding, straight seam submerged arc welding referred to as UOE, straight seam high frequency resistance welding referred to as ERW. High-frequency electric resistance welded steel pipe (ERW steel pipe) Because the welding process is compared … Read more